[ 1622.501580][    C2] tc mirred to Houston: device veth2 is down
[ 1622.700634][    C2] tc mirred to Houston: device veth2 is down
[ 1622.852577][    C2] tc mirred to Houston: device veth2 is down
[ 1623.372501][    C1] tc mirred to Houston: device veth2 is down
[ 1623.401674][    C2] tc mirred to Houston: device veth3 is down
[ 1623.516717][    C2] tc mirred to Houston: device veth3 is down
[ 1623.532513][    C2] tc mirred to Houston: device veth3 is down
[ 1623.732483][    C3] tc mirred to Houston: device veth3 is down